orderBook method

Future<Either<String, Orderbook>> orderBook({
  1. required String symbol,
  2. String? limit,
})

Get Binance futures orderbook

Implementation

Future<Either<String, Orderbook>> orderBook({
  required String symbol,
  String? limit,
}) {
  Map<String, String> params = {
    'symbol': symbol,
  };
  if (limit != null) params['limit'] = limit;
  return sendRequest(
    path: 'fapi/v1/depth',
    type: RequestType.GET,
    params: params,
  ).then((r) => r.isLeft ? Left(r.left) : Right(Orderbook.fromMap(r.right)));
}